CDS Model Paper 1 General Knowledge

Consider the following statements:
1. It is on the advice of the Speaker of Lok Sabha that the President of India summons and prorogues Parliament and dissolves Lok Sabha .
2 The resignation of the Prime Minister means the resignation of the entire Council of Ministers.
3. A vote of confidence against one Minister. in Lok Sabha means the vote of confidence against the entire Council of Ministers.
Which of the following statements given above are correct?